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SBI521 Service Manual

2.5 Communication

2.6 Analog Circuitry

24-bit A/D converter

Conversion Speed: 10Hz or 80Hz

Input range: -15mV to +15mV

Output code:1mV input between S+ and S- of loadcell connector will output
about 100,000 raw counts

Hardware low pass filter and 2 programmable digital low pass filters

2.7 Capacity and Division

Programmable

Max display range: -999,999 to 999,999

Division number range for primary unit: 100-100,000 (division number will be
limited by REGULA setting)

Recommended Sensitivity: >0.5uV/ display division

2.8 Accuracy

≤

0.01%

2.9 Approvals

NTEP: Class III, certificate # 11-119

2.10 Calibration Method:

Software calibration with long-term storage in EEPROM

Provides smooth curve fit through four points

Calibration can be done under kg or lb weight unit with 10% -100%FS
standard weight.

Serial port1

Full-duplex RS-232

Serial port2

Full-duplex RS-232 or half-duplex RS-485

Baud Rate

Selectable: 1200-2400-4800-9600-19200-22800/38400-57600 bps

Data Output Format

8N1, 7O1, 7E1

Protocol

programmable

Содержание Brecknell SBI-521 Series

Страница 1: ...SBI 521 Indicator Series Service Manual AWT35 500811 Issue AF January 2013...

Страница 2: ...law or under license Full acknowledgment of the source must be given Brecknell is a registered trade mark of the Brecknell LLC This publication was correct at the time of going to print however Breck...

Страница 3: ...ine Maintenance 13 Sharp Objects 13 Cleaning the Indicator 13 Chapter 2 Specifications 14 SBI 521 Series Models 14 Housing and Outline Dimension 14 Housing 14 Outline Dimension 14 Power Supply 15 Disp...

Страница 4: ...tion 34 Display and Set Time 34 Display and Set Date 35 Display Firmware Version 35 Display Interface Type of COM2 36 Display Test 36 Keyboard and Buzzer Test 36 Serial Port1 2 COM1 2 Receiving Test 3...

Страница 5: ...ibration Counter 69 Chapter 8 Troubleshooting 70 Display Characters 70 Display Symbols 71 Error Messages and Troubleshooting 72 Addendum 1 Quick Setup and Configuration 73 Configure the SBI 521 to a F...

Страница 6: ...2 previous revision 1 3 done as a Word document Issue AD has been converted to FrameMaker Legal for Trade chapter and addendum 1 and 2 were added AE January 2013 update menu tables with added paramete...

Страница 7: ...kets e g ZERO Displayed messages appear in bold italic type and reflect the case of the displayed message 1 1 2 Special Messages Examples of special messages you will see in this manual are defined be...

Страница 8: ...weighing for a long time 1 3 Installation 1 Unpack the indicator and all components from the shipping box 2 Remove all back panel screws to expose the indicator main board 3 Insert the loadcell cable...

Страница 9: ...n if battery is incorrectly replaced Replace only with the same or equivalent type recommended by the manufacturer Dispose of used batteries according to the manufacturer s instructions ATTENTION Il y...

Страница 10: ...ell connector are shown in Figure 1 3 Refer to Table 1 2 on page 9 for loadcell jumper configuration Figure 1 3 Loadcell Connector Table 1 1 Loadcell Connections Board Designaltion Description Pin Ele...

Страница 11: ...the RS 232 terminal on the main board Communication terminal connections are shown in Figure 1 4 Refer to Table 1 10 and Table 1 11 on page 12 for COM2 jumpers Figure 1 4 RS 232 Connector Table 1 3 R...

Страница 12: ...Connector ADP Table 1 7 Battery Power Input Connector BAT Designation Description Pin Electrical Level A RS 485 signal A 1 0 5 VDC B RS 485 signal B 2 0 5 VDC GND ground common 3 0 VDC Connected Pins...

Страница 13: ...Jumpers Table 1 8 ADP Adapter Power Input Connector Table 1 9 Battery Power Input Connector Pin Definition In Out Power Electrical Level 1 Adapter input voltage Power input 12Vdc 10 5 15Vdc 0 5A 2 Ada...

Страница 14: ...set to the desired configuration Table 1 10 JP8 Connector Table 1 11 RXD2 and TXD2 Jumper Connectors Connected Pins Function COM2 is used as RS 232 COM2 is used as RS 485 COM2 is not used COM2 is not...

Страница 15: ...ust be routinely checked for proper operation and calibration Application and usage will determine the frequency of calibration required for safe operation Table 1 12 Cleaning DOs and DON Ts DO DO NOT...

Страница 16: ...with rotary bracket 2 2 2 Outline Dimension l With bracket 10 31 x 8 46 x 3 45 262mm x 215mm x 85mm l Without bracket 8 66 x 6 30 x 3 07 220mm x 160mm x 78mm Figure 2 1 SBI 521Outline Drawing Model D...

Страница 17: ...and backlight 2 4 1 Keypad l 6 push buttons 2 4 2 Environment 2 4 3 Load Cell Excitation Model Working Current SBI 521 100mA use battery no load cell no adaptor LED BRT is set to 2 SBI 521 45mA use b...

Страница 18: ...ge for primary unit 100 100 000 division number will be limited by REGULA setting l Recommended Sensitivity 0 5uV display division 2 8 Accuracy 0 01 2 9 Approvals NTEP Class III certificate 11 119 2 1...

Страница 19: ...detection window l Programmable auto power off time backlight working mode LCD version and adjustable LED brightness LED Version l Programmable hold function with peak weight holding and dynamic weigh...

Страница 20: ...you must first enter the appropriate menu mode The front panel keys become directional navigators to move around in the menus See Table 3 3 for details 3 1 Front Panel The front panel incorporates th...

Страница 21: ...LCD Liquid Crystal Display or a 7 digit LED display providing the weight and system information 3 2 1 LED The annunciators used with the LED model surround the display The annunciator will be lit went...

Страница 22: ...ht is in the net mode and the tare weight is not 0 GROSS Indicates current weight is in the gross mode TARE Indicates current weight is in the tare mode Pcs indicates counting mode AC CHG Illuminates...

Страница 23: ...mode and the tare weight is not 0 GROSS Indicates gross mode when arrow above GROSS is illuminated TARE Indicates tare mode when arrow above TARE is illuminated Pcs indicates counting mode When batte...

Страница 24: ...ge to memory display times and total of accumulation Input data Press to enter data one will be added to the flashing digit Setup Menu selection mode To last item of current menu Weigh Press for less...

Страница 25: ...scale is stable press the TARE key The indicator will show a net weight of zero and the NET annunciator will be illuminated Refer to Table 3 4 for tare limitations 3 4 5 Preset Tare Weight Enter a pr...

Страница 26: ...conditions lb oz is not available Please refer the following tables Standard Weight on platform Data in TARE memory unit key function Tare key Zero key USA 0 no No action Zero yes Clear the tared weig...

Страница 27: ...vailable 0 0005kg 0 0005kg 0 001 lb Not available 0 005kg 0 005kg 0 01 lb 0 2 oz 0 05kg 0 05kg 0 1 lb 2oz 0 5kg 0 5kg 1 lb Not available 5kg 5kg 10 lb Not available 50kg 50kg Not available Not availab...

Страница 28: ...nd UNIT keys to input low weight number 7 Press the TARE key to confirm The LO annunciator will be displayed 7a After a reasonable limitation is set and compare is active one of annunciators HI OK LO...

Страница 29: ...RO key to exit the piece weight mode and back to counting mode 6 When last stored piece weight is shown use PRINT N G UNIT key to input new piece weight 7 Press the SETUP key more than 3 seconds to in...

Страница 30: ...tity number 5 Press the TARE key to confirm the entry The Lo annunciator will be shown on the display 5a After a reasonable limitation is set and compare is active one of annunciators HI OK LO will be...

Страница 31: ...age weight data is shown use the PRINT N G UNIT keys to input new unit percentage weight 7 Press the HOLD key more than 3 seconds to input decimal point 8 Press the TARE key to confirm and save it 9 G...

Страница 32: ...y to confirm The HI annunciator will be illuminated 4 After Low is shown 000000 will be displayed use the PRINT N G UNIT keys to input the low percentage number 5 Press the TARE key to confirm The LO...

Страница 33: ...e When scale first enters this working mode it will display the largest positive number that is from the time of zero point set After entering this working mode scale will always catches and refresh p...

Страница 34: ...rage data in USER HOLD AVG TIM then freeze and display the number Only the weight that is over USER OTHER NLD RNG can be frozen If the held weight is moved away and a new load is put on the scale the...

Страница 35: ...annunciator will be illuminated 6 Press the ZERO key to exit and back to original working mode After a reasonable limitation is set and compare function is active one of annunciators HI OK LO will be...

Страница 36: ...zero press the TOTAL key for 3 seconds The indicator will display accumulation times first and then display total of number NOTE l ZERO only be active when scale is stable and weight is in SAZSM sett...

Страница 37: ...to display current date 5a Date display Format is dxx xx xx yy mm dd for LED Version xx xx xx yy mm dd for LCD Version 6 Press the DATA key for 3 seconds The first digit of the time will flash 7 Use t...

Страница 38: ...ress TARE to select the TEST menu 4 Press the PRINT key to scroll to the DISP parameter 5 Press TARE to enter the test display mode and all segments will light at first 5a In this mode every press of...

Страница 39: ...to last menu item 5 Press the ON OFF key to prepare to exit this mode 3 17 Serial Port1 2 COM1 2 Transmitting Test Before testing the transmitting function of COM1 or COM2 a cable is need to connect a...

Страница 40: ...t you are in Setup Menu mode 4 2 Navigating the Setup Menu 1 Once in the Config menu use the NG TOTAL up arrow or PRINT FUNC down arrow key to move to the next available menu in the Setup Menu 2 Use t...

Страница 41: ...T FUNC Scroll through available menus Choose a sub menu Make a change within the sub menu NG TOTAL Scroll through available menus Choose a sub menu Make a change within the sub menu UNIT DATA Choose a...

Страница 42: ...e menus with the Config menu and the choices within those menus Refer to Table 4 2 for explanations of the menu choices CFG ON CFG OFF kg lb PRIM Ut 100 150 000 SECND N RESET No Yes none USA Canada Eu...

Страница 43: ...a Europe PRIM N 100 100 000 3000 Primary full scale value If REGULA none the max is 10 000 PRIM D 0 0001 1 The division value under primary unit The division value under second unit is automatically d...

Страница 44: ...zero point range 0 no limitation 1 100 calibration zero point 1 FS calibration zero point 100 FS If REGULA none the max is 10 IN IZSM WEIGHT WEIGHT Choose which weight as current initial zero point wh...

Страница 45: ...ble counting function YES NO NO PERCNT NO NO Enable or disable percent weighing function 1 NO disable 2 100 enable and display format is 100 3 100 0 enable and display format is 100 0 4 100 00 enable...

Страница 46: ...D OTHER HLD MOD AVG TIM STB TIM HLD TIM HLD RNG NONE PS PEAK NG PEAK TOGGLE AVERAG AUTO 1 60 3 AVG TIM 255 0 65535 0 255 NLD RNG CMD SRC A FF T A OFF MD LCD BLT SCAL ID 1 255 NONE COM 1 COM 2 COM1 2 0...

Страница 47: ...bit OUT MOD CONT PRT CMD Select COM1 output mode 1 CONT continuously output PRINT 2 PRINT output after PRINT key is pressed CMD 3 CMD output after a request command is received PRT CMD 4 PRT CMD outp...

Страница 48: ...ece weight Prompt is PIECE WT NO Accumu YES NO Enable or disable accumulation times and total Prompt is ACC N and TOTAL NO DATE YES NO Enable or disable date Prompt is DATE NO TIME YES NO Enable or di...

Страница 49: ...MD 4 PRT CMD output after PRINT key pressed or request command received STABLE 5 STABLE output after scale is stable Note use PRINT or CMD to output data the scale must be stable LAYOUT MULTPL MULTPL...

Страница 50: ...iece weight Prompt is PIECE WT NO accumU YES NO Enable or disable accumulation times and total Prompt is ACC N and TOTAL NO DATE YES NO Enable or disable date Prompt is DATE NO TIME YES NO Enable or d...

Страница 51: ...o beep L LOW 2 L Low beep when lower than low limitation IN LMT 3 IN LMT beep when in range of low and high limitation O HIGH 4 O HIGH beep when over high limitation OUT LMT 5 OUT LMT beep when lower...

Страница 52: ...frozen Press the HOLD key or HLD TIM time elapsed to exit this mode AUTO 6 AUTO Auto hold mode It is similar to AVERAG mode but if the one held load is removed and a new load that is over NLD RNG put...

Страница 53: ...es In this period no operation or no weight change A OFF MD OFF OFF Auto off mode 1 OFF turn off indicator DSP TIM 2 DSP TIM display time DSP DAT 3 DSP DAT display date AC TIME 4 AC TIME turn off when...

Страница 54: ...ro point calibration then go to CAL END to end only need where a zero shift has occured LINE CAL P0 Line calibration point0 Do zero point calibration This point can t be omitted CAL P1 Line calibratio...

Страница 55: ...fer to Table 4 6 for explanations of the menu choices Table 4 6 TEST Menu Choices and Explanations CODE VOL DATE TIME VER COM2 TY MISC Submenu1 Remark CODE Display ADC s code this code can be after no...

Страница 56: ...slide switch on the rear cover back to the left and replace the metal protective plate Refer to section 4 2 for location 3 Turn the indicator back on by pressing the ON key The display will go throug...

Страница 57: ...scale 2 Press the TARE key to select zero point calibration 3 The ZERO will flash while capturing the zero point After getting reasonable data it automatically saves the change and exits to the weigh...

Страница 58: ...on or go on next calibration point Use the PRINT or N G key to select yes or no 10 Press the TARE key to confirm 11 When first default standard weight is displayed after CAL P3 being shown The default...

Страница 59: ...code as a reference zero and then display net code 5 Press TARE again to clear this reference and display gross code From the net code mode press the N G key to select net or gross code to display not...

Страница 60: ...Press the TARE key to enter this mode and display the battery voltage 4 Press down the UNIT key until CAL 6V is shown 5 To adjust the voltage to 6V press the TARE key to confirm 6V calibration 6 When...

Страница 61: ...ight measure cycle of the scale One second should be adequate for use as a time out value by remote controlling device 6 4 Transaction String The length of each item in a transition string l Reading d...

Страница 62: ...yte 1 H1 Byte 2 H2 Byte 3 H3 Byte 4 H4 0 0 stable 0 not under capacity 00 compare disable 01 lower limit 10 ok 11 upper limit 00 normal weighing 01 count weighing 10 percent weighing 11 other mode 1 n...

Страница 63: ...CR LF H1H2H3 H4 CR ETX under capacity LF U1U2 U3 U4U5 CR LF H1H2H3 H4 CR ETX zero point error Note U1U2 U3 U4U5 is 1 2 3 or 5 bytes according to current unit kg lb pcs lb oz LF P W1W2W3W4W5 DP W6 U1U...

Страница 64: ...e press down the ON OFF key to turn off the scale Response Unrecognized command LF CR ETX Command Response ASCII HEX W CR 57 0d Read scale weight LF U1U2 U3U4U5 CR LF H1H2H3 H4 CR ETX over capacity LF...

Страница 65: ...ocessed in indicator If you want to watch real time data you need to select fewer output contents and set higher baud rate for COM1 or 2 Example Layouts When USER OUT1 2 xxxx is set to YES USER COM2 E...

Страница 66: ...Please contact with your local legal metrology organization 2 In this application Baud rate and byte format of COM2 is fixed to 9600bps and 8N1 SCALE ID 123456 GROSS 1234 55kg TARE 12 15kg NET 1222 40...

Страница 67: ...to power off it outputs following content to COM2 STX OFF ETX CR LF 6 5 4 Communication when USER COM1 2 LAYOUT is set to 200S 200F Commands and response Command W CR 57h 0dh or P CR 50h 0dh request c...

Страница 68: ...gross mode or within the zero range specified in the Setup Menu STX OK CR LF Command T CR 54h 0dh Response TARE function is activated simulate TARE key The indicator will not respond if the scale is...

Страница 69: ...et to be established STX OK CR LF Command all others Response Unrecognized command STX CR LF Table 6 4 Summary of Command and Response Command Response ASCII HEX P CR W CR 50 0d 57 0d Read scale weigh...

Страница 70: ...icator from being configured or calibrated under legal for trade conditions When set to legal for trade and sealed with a lead seal the indicator can only be configured and calibrated by authorized pe...

Страница 71: ...fly show the number of times the configuration has been changed and saved up to 999 To Exit 1 Press the ON OFF key Exit is displayed 2 Press the TARE key to return to weigh mode 7 2 2 View Calibration...

Страница 72: ...oting This chapter gives explanations on commonly seen errors display characters and display symbols 8 1 Display Characters ASCII LCD LED ASCII LCD LED ASCII LCD LED 0 A N 1 B O 2 C P 3 D Q 4 E R 5 F...

Страница 73: ...L ON Calibration seal switch is on ON position CAL Er Calibration error maybe input data or loaded weight is incorrect unstable non linear CAL End End calibration OFF Power OFF the indicator STB ER Un...

Страница 74: ...6 digit CAL Er Calibration error Input data or loaded weight is too small too big unstable non linear Input correct data load correct weight onto platform Service required PWT ER Piece weight is error...

Страница 75: ...e TARE key once Display will show RESET 6 Press the PRINT key until the display shows PRIM N Table 9 1 Reference to Number of Divisions and Division Size 7 Press the TARE key once The display will sho...

Страница 76: ...eighing mode 9 1 2 Loadcell Connection and Jumpers Table 9 2 Loadcell Jumper Connector JP3 Table 9 3 Loadcell Terminal Block typical Brecknell color code Figure 9 1 Loadcell Connector Connected Pins F...

Страница 77: ...SBI521 Service Manual 75 4 wire jumper configuration Figure 9 2 Loadcell Jumper Location...

Страница 78: ...g the reasonable zero point data the zero weight will become steady Proceed to the next step 8 When first default standard weight is display after CAL P1 being shown The default standard weight is 100...

Страница 79: ...default standard weight is 100 of full scale Use the HOLD PRINT N G UNIT keys to input the value of the loaded weight more than 10 of full scale weight and larger than the weight used on CAL P2 onto...

Страница 80: ...firm your setting The display will show IZSM 13 Press the PRINT FUNC key and the display will show IN IZSM 14 Press the TARE key and toggle by using the PRINT FUNC key until LAST Z T is shown on the d...

Страница 81: ......

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